Principal English Translation:
scarlet parrot feather(s) (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 9 -- The Merchants, No. 14, Part 10, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1959), 1.
Attestations from sources in Spanish:
in quitzintique pochtecaiotl, iehoantin in, in pochtecatlatoque: itzcoatzin, tziuhtecatzin. Inic puchtecatia, in quinamacaia: çan iehoatl in cueçal, ioan cuitlatexotli, ioan chamoli = Those who started the commerce were the principal merchants Itzcoatzin and Tziuhtecatzin. Thus did they engage in trade: they sold only red arara and blue and scarlet parrot feathers. (16th century, Mexico City)
Fray Bernardino de Sahagún, Florentine Codex, Book 9—The Merchants, trans. Charles E. Dubble and Arthur J.O. Anderson (Santa Fe, New Mexico; The School of American Research and the University of Utah, 1959), 1.